Recent answers to cannot printhttps://support.mozilla.org/en-US/questions/12421662018-11-29T03:32:29-08:00First, please update to the latest version of Firefox, 63.0.3.
Then, I'd suggest contacting Dell for2018-11-29T03:32:29-08:00user633449https://support.mozilla.org/en-US/questions/1242166#answer-1176926<p>First, please update to the latest version of Firefox, 63.0.3.
</p><p>Then, I'd suggest contacting Dell for some support with that printer.
</p>